CN208078072U - A kind of explosion-protection equipment, electrokinetic cell system and automobile - Google Patents
A kind of explosion-protection equipment, electrokinetic cell system and automobile Download PDFInfo
- Publication number
- CN208078072U CN208078072U CN201820619129.4U CN201820619129U CN208078072U CN 208078072 U CN208078072 U CN 208078072U CN 201820619129 U CN201820619129 U CN 201820619129U CN 208078072 U CN208078072 U CN 208078072U
- Authority
- CN
- China
- Prior art keywords
- explosion
- rear cover
- hole
- protection equipment
- fixing bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a kind of explosion-protection equipment, electrokinetic cell system and automobile, which includes：It is oriented to rear cover, is covered after the guiding and offers circular first through hole, pilot hole is offered on the side wall of the first through hole；It is fixed on the fixing bracket covered after the guiding；The rupture disk and rupture disk being bonded on the fixing bracket；And the balanced valve covered after the guiding is set.The embodiments of the present invention eliminate self-filtering net, and rupture disk detonates after pressure increases to a certain degree in battery pack, will not block；Using rear cover is oriented to as guider, orientation discharge energy when thermal runaway occurs in battery pack, reaches the function of other outer auto parts and components of protection battery pack；It is integrated with balanced valve function simultaneously, can have inside and outside battery pack when smaller pressure change and balance external and internal pressure.
Description
Technical field
The utility model is related to a kind of power battery explosion protection field more particularly to explosion-protection equipment, electrokinetic cell system and vapour
Vehicle.
Background technology
Electrokinetic cell system is under limit thermal runaway operating mode, and huge energy passes through expanding gas, height inside power battery pack
Temperature, explosion, Mars form embody, and energy when thermal runaway occurs in closed envelope for reply electrokinetic cell system at present discharges,
The explosion-proof valve used in pressure vessel is usually installed, is had the following problems in use at present：One, explosion-proof valve self-filtering net is frequent
It blocks, explosion-proof valve disabler, explosion-proof valve Initiation Pressure is excessively high, and Initiation Pressure is higher than the breakdown pressure of battery envelope；Two, explosion-proof
Valve sprays everywhere without guide function, the huge energy of release, and vehicle body or tire is made to light；Three, without internal and external equilibrium device.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of explosion-protection equipment, electrokinetic cell system and automobile,
Explosion-proof device of power battery is solved the problems, such as without guide function and without internal and external equilibrium device.
According to the one side of the utility model, a kind of explosion-protection equipment is provided, including：
It is oriented to rear cover, is covered after the guiding and offers circular first through hole, opened on the side wall of the first through hole
Equipped with pilot hole；
It is fixed on the fixing bracket covered after the guiding；
The rupture disk and rupture disk being bonded on the fixing bracket；And
The balanced valve covered after the guiding is set.
Optionally, the rupture disk is fixedly connected with the rupture disk, and is bonded on the fixing bracket by glue.
Optionally, the explosion-protection equipment further includes sealing ring；
The sealing ring is fixedly mounted in the groove at the guiding rear cover edge.
Optionally, the nut mounting groove offered for nut to be fixedly mounted is covered after the guiding.
Optionally, it is covered after the guiding, the lower section of the first through hole is equipped with balanced valve mounting hole.
Optionally, it is covered after the guiding equipped with for being clamped the support bracket fastened blocked hole.
Optionally, the side that the fixing bracket is connected and fixed with the guiding rear cover, is equipped with and the clamping hole number
Equal rivet.
Optionally, it is offered on the fixing bracket and equal-sized second through-hole of the first through hole.
Optionally, the edge in the fixing bracket bottom end has the semicircle opening passed through for the balanced valve.
According to the other side of the utility model, a kind of electrokinetic cell system, including above-mentioned explosion-protection equipment are provided.
According to another aspect of the utility model, a kind of automobile, including above-mentioned electrokinetic cell system are provided.
The advantageous effect of the embodiments of the present invention is：
Explosion-protection equipment in said program eliminates self-filtering net, after pressure increases to a certain degree in battery pack
Rupture disk detonates, and will not block；Using rear cover is oriented to as guider, orientation discharge energy when thermal runaway occurs in battery pack
Amount reaches the function of other outer auto parts and components of protection battery pack；It is integrated with balanced valve function simultaneously, it can be inside and outside battery pack
External and internal pressure is balanced when having smaller pressure change.
Description of the drawings
Fig. 1 shows the structure charts of the explosion-protection equipment of the utility model embodiment；
Fig. 2 indicates the structural schematic diagram of the guiding rear cover of the utility model embodiment；
Fig. 3 indicates the support bracket fastened structural schematic diagram of the utility model embodiment；
Fig. 4 indicates the front view of the explosion-protection equipment of the embodiments of the present invention；
Fig. 5 indicates the side view of the explosion-protection equipment of the embodiments of the present invention；
Fig. 6 indicates the schematic diagram of the pilot hole of the embodiments of the present invention.
Wherein in figure：1, it is oriented to rear cover, 2, fixing bracket, 3, rupture disk, 4, rupture disk, 5, balanced valve, 6, glue, 7, close
Seal；
11, first through hole, 12, installation nut, 13, nut mounting groove, 14, balanced valve mounting hole, 15, blocked hole, 21, riveting
Nail, the 22, second through-hole, 23, opening；
111, pilot hole.
Specific implementation mode
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to be best understood from the utility model, and energy on the contrary, providing these embodiments
It is enough that the scope of the utility model is completely communicated to those skilled in the art.
As shown in figures 1 to 6, the embodiments of the present invention provide a kind of explosion-protection equipment, including：It is oriented to rear cover 1, it is described
It is oriented on rear cover 1 and offers circular first through hole 11, pilot hole 111 is offered on the side wall of the first through hole 11；Card
Connect the fixing bracket 2 being fixed on the guiding rear cover 1；The rupture disk 3 and rupture disk 4 being bonded on the fixing bracket 2；With
And the balanced valve 5 on the guiding rear cover 1 is set.
In the embodiment, first through hole 11 is offered on the guiding rear cover 1, on the side wall of the first through hole 11
Pilot hole 111 is offered, the pilot hole 111 discharges orientation discharge-channel when hot gas or flame as battery pack, in electricity
It is badly in need of orientation discharge energy when energy release in the packet of pond, avoids the huge energy of release in battery pack and spray everywhere, make vehicle body
Or tire is lighted, and the function of other outer auto parts and components of protection battery pack is reached.Specifically, the rupture disk 3 and the explosion
Film 4 is fixedly connected, and is bonded on the fixing bracket 2 by glue 6.The rupture disk 3 and rupture disk 4 can pass through glue
It bonds together, and is bonded on fixing bracket 2, the fixing bracket 2, which is connected to, to be oriented on rear cover 1, and the balanced valve 5 is fixed
In corresponding mounting groove on guiding rear cover 1.
The explosion-protection equipment eliminates self-filtering net relative to existing power battery explosion protection valve, is sent out inside battery pack
When the limiting conditions such as raw explosion on fire, pressure is increased sharply in battery pack, and pressure is more than the Initiation Pressure of the rupture disk 3 in battery pack
When, rupture disk 3 detonates, and since the rupture disk 3 is aluminium foil membrane material, the explosion of rupture disk 3 punctures in the formation of the rupture disk 4
Circulation passage makes the energy that battery pack discharges pass through the orientation of guiding rear cover 1 discharge.Wherein, the Initiation Pressure of the rupture disk 3
Generally：10KP±3KP.
It is provided with balanced valve 5 on the guiding rear cover 1, when battery pack memory is in inside and outside differential pressure, but inside and outside differential pressure
It is not enough to cause 3 explosion of rupture disk, the balanced valve 5 that can play the role of pressure in stable battery pack, make inside and outside battery pack
Pressure balance.The balanced valve 5 can be spring balance valve, and the principle of spring balance valve is：Balanced valve is by spring precompressed
Contracting, which is tried hard to keep, demonstrate,proves the fixation of spring balance valve core, when external and internal pressure difference is more than initial tension of spring, spring floating adjustment, to
Balance external and internal pressure.
The program eliminates the filter screen of battery pack explosion-proof valve, explosion after pressure increases to a certain degree in battery pack
Piece detonates, and ensures that explosion-protection equipment will not block；Using guider, orientation discharge energy when thermal runaway occurs in packet；It is integrated
There is balanced valve function, external and internal pressure is balanced when for there is smaller pressure change inside and outside battery pack.Meanwhile the embodiment is explosion-proof
Device volume is smaller, easy to use.
Specifically, the explosion-protection equipment further includes sealing ring 7；The sealing ring 7 is fixedly mounted on 1 side of guiding rear cover
In the groove of edge.
In the embodiment, in the edge for being oriented to rear cover 1, the groove around 1 edge one of guiding rear cover circle is offered,
The fixing bracket 2, which is connected to, to be oriented on rear cover 1, and rupture disk 3 and rupture disk 4 are bonded in by glue 6 on fixing bracket 2,
And after balanced valve 5 is fixed on the guiding rear cover 1, the sealing ring 7 is fixed in the groove for being oriented to 1 edge of rear cover, to whole
A explosion-protection equipment plays sealing function.
As shown in Fig. 2, described be oriented to the nut mounting groove 13 offered on rear cover 1 for nut 12 to be fixedly mounted.
In the embodiment, in four edges for being oriented to rear cover 1, nut mounting groove 13, the peace are offered respectively
Loading nut 12 is fixed in the nut mounting groove 13, for entire explosion-protection equipment to be fixedly mounted on battery pack.
Specifically, on the guiding rear cover 1, the lower section of the first through hole 11 is equipped with balanced valve mounting hole 14.
In the embodiment, on the guiding rear cover 1, the lower section of the first through hole 11 offers balanced valve mounting hole
14.It is connected to outside the balanced valve mounting hole 14 and battery pack, the balanced valve 5 is fixedly mounted on the balanced valve mounting hole 14
It is interior.When battery pack memory is in inside and outside differential pressure, but inside and outside differential pressure is not enough to lead to 3 explosion of rupture disk, and inside and outside differential pressure is more than bullet
When spring pretightning force, the balanced valve 5 floats in the balanced valve mounting hole 14 and adjusts, and makes battery pack internal and external pressure balance.
Specifically, the rear cover 1 that is oriented to is equipped with the blocked hole 15 for being clamped the fixing bracket 2.
As shown in figure 3, the side that the fixing bracket 2 is connected and fixed with the guiding rear cover 1, is equipped with and the blocked hole
The equal rivet 21 of 15 quantity.
In the embodiment, the fixing bracket 2 is connected to by the rivet 21 in the blocked hole 15, is realized and is clamped
The fixation in hole 15.Wherein, described to be oriented in the plane that rear cover 1 is fixedly connected with the fixing bracket 2, the first through hole 11 weeks
It encloses, for the installation slot structure being recessed inwardly, for installing the fixing bracket 2, the rupture disk 3 and the rupture disk 4；?
The position that slot structure surrounds first through hole 11 is installed, blocked hole 15, the quantity of the blocked hole 15 and the rivet 21 are provided with
Quantity is equal.
In above-described embodiment of the utility model, offered on the fixing bracket 2 and 11 size phase of the first through hole
Deng the second through-hole 22.
In the embodiment, when the limiting conditions such as explosion on fire occurring inside battery pack, pressure is increased sharply in battery pack, battery
When pressure is more than 3 Initiation Pressure of rupture disk in packet, rupture disk 3 detonates, and the explosion of rupture disk 3 punctures air-locked rupture disk 4, with
Circulation passage during second through-hole 22 is formed, and through the guiding rear cover 1, the energy directional of battery pack release is discharged.
Specifically, the edge in 2 bottom end of the fixing bracket has the semicircular opening passed through for the balanced valve 5
23.After the design of the opening 23 ensures that balanced valve 5 is mounted on guiding rear cover 1, the fixing bracket 2, rupture disk 3 are not interfered with
And the installation of rupture disk 4.
The embodiments of the present invention additionally provide a kind of electrokinetic cell system, including above-mentioned explosion-protection equipment.
The embodiments of the present invention additionally provide a kind of automobile, including above-mentioned electrokinetic cell system.
The embodiment of the utility model, the explosion-protection equipment eliminate self-filtering net, when pressure increases in battery pack
Rupture disk detonation, will not block after to a certain extent；Using rear cover is oriented to as guider, thermal runaway occurs in battery pack
Shi Dingxiang discharges energy, reaches the function of other outer auto parts and components of protection battery pack；It is integrated with balanced valve function simultaneously, it can
External and internal pressure is balanced when having smaller pressure change inside and outside battery pack.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art
For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit
Decorations are also within the protection scope of the present utility model.
Claims (11)
1. a kind of explosion-protection equipment, which is characterized in that including：
It is oriented to rear cover (1), circular first through hole (11) is offered on the guiding rear cover (1), in the first through hole (11)
Side wall on offer pilot hole (111)；
The fixing bracket (2) being fixed on the guiding rear cover (1)；
The rupture disk (3) and rupture disk (4) being bonded on the fixing bracket (2)；And
Balanced valve (5) on the guiding rear cover (1) is set.
2. explosion-protection equipment according to claim 1, which is characterized in that the rupture disk (3) and the rupture disk (4) are fixed
Connection, and be bonded on the fixing bracket (2) by glue (6).
3. explosion-protection equipment according to claim 1, which is characterized in that the explosion-protection equipment further includes sealing ring (7)；
The sealing ring (7) is fixedly mounted on described be oriented in the groove at rear cover (1) edge.
4. explosion-protection equipment according to claim 1, which is characterized in that offered on the guiding rear cover (1) for fixing
The nut mounting groove (13) of nut (12) is installed.
5. explosion-protection equipment according to claim 1, which is characterized in that on the guiding rear cover (1), the first through hole
(11) lower section is equipped with balanced valve mounting hole (14).
6. explosion-protection equipment according to claim 1, which is characterized in that the guiding rear cover (1) is equipped with for being clamped
State the blocked hole (15) of fixing bracket (2).
7. explosion-protection equipment according to claim 6, which is characterized in that the fixing bracket (2) and the guiding rear cover (1)
The side connected and fixed is equipped with the rivet (21) equal with the blocked hole (15) quantity.
8. explosion-protection equipment according to claim 1, which is characterized in that offered on the fixing bracket (2) and described
Equal-sized second through-hole (22) of one through-hole (11).
9. explosion-protection equipment according to claim 1, which is characterized in that the edge in the fixing bracket (2) bottom end
There is the semicircular opening (23) passed through for the balanced valve (5).
10. a kind of electrokinetic cell system, which is characterized in that including claim 1~9 any one of them explosion-protection equipment.
11. a kind of automobile, which is characterized in that including electrokinetic cell system according to any one of claims 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619129.4U CN208078072U (en) | 2018-04-27 | 2018-04-27 | A kind of explosion-protection equipment, electrokinetic cell system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619129.4U CN208078072U (en) | 2018-04-27 | 2018-04-27 | A kind of explosion-protection equipment, electrokinetic cell system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078072U true CN208078072U (en) | 2018-11-09 |
Family
ID=64045096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820619129.4U Active CN208078072U (en) | 2018-04-27 | 2018-04-27 | A kind of explosion-protection equipment, electrokinetic cell system and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023003644A1 (en) | 2022-09-16 | 2024-03-21 | Mercedes-Benz Group AG | A system for preventing thermal instability of a vehicle battery module |
-
2018
- 2018-04-27 CN CN201820619129.4U patent/CN208078072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023003644A1 (en) | 2022-09-16 | 2024-03-21 | Mercedes-Benz Group AG | A system for preventing thermal instability of a vehicle battery module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109904367B (en) | Be applied to ventilative relief valve of power battery package | |
| EP2952394B1 (en) | Gas generator | |
| CN103419927B (en) | External combustion hopper accesses lid, wing and aircraft | |
| EP3132981B1 (en) | Gas generator | |
| US6095558A (en) | Gas generator made of metal sheets for protective devices of motor vehicles passengers | |
| CN208078072U (en) | A kind of explosion-protection equipment, electrokinetic cell system and automobile | |
| CN101970265A (en) | Gas generator for inflating a gas bag of a vehicle occupant restraint system and method of inflating a gas bag | |
| CN207441831U (en) | Balanced valve and battery case | |
| US20060249938A1 (en) | Gas generator for air bag | |
| CN110165104A (en) | High density battery pack | |
| JPH04230446A (en) | Air bag expander and manufacture thereof | |
| CN207097909U (en) | A kind of battery bag | |
| CN107093686A (en) | Battery bag and vehicle | |
| CN210778859U (en) | Explosion-proof lithium ion battery | |
| CN113594623A (en) | Explosion-proof valve for battery pack | |
| US20040155444A1 (en) | Gas generator for air bag | |
| CN105835827A (en) | Small gas generator | |
| WO2023098827A1 (en) | Pressure relief device, battery pack, and vehicle | |
| CN205010167U (en) | Gas generator , air bag and have this air bag's car | |
| CN208507742U (en) | A kind of battery cover board and the battery using the battery cover board | |
| CN216813013U (en) | Explosion-proof valve, battery system and vehicle | |
| EP1688701B1 (en) | Buoyant smoke pot | |
| US8887639B2 (en) | Inflatable bag with burst control envelope and gas generator | |
| CN105121233A (en) | Gas generator | |
| CN207097939U (en) | A kind of battery bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |